Amirhossein Abbaszadeh
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Amirhossein Abbaszadehさんの最近のアクティビティ-
Amirhossein Abbaszadehさんがコメントを作成しました:
Dear Mario, Thank you very much for your reply! You could check the final solution you get in the second run, I bet it is not feasible or would lead to further Benders cuts. That's exactly why I...
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Amirhossein Abbaszadehさんが投稿を作成しました:
Wrong Upper Bound
回答済みHi, According to the MIP logging I've attached, Gurobi explored 515 nodes when solving the problem. The last node is 514, and the best bound at this node is 1616.99. However, Gurobi stopped at this...
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Amirhossein Abbaszadehさんがコメントを作成しました:
Also, I want to add something else! According to the MIP logging I've attached, Gurobi explored 515 nodes when I used the callback function to solve the master problem. The last node is 514, and th...
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Amirhossein Abbaszadehさんが投稿を作成しました:
Applying L-shaped method using callback in C++
ユーザーの入力を待っています。Hello, I’m trying to apply the L-shaped method (Benders Decomposition) to solve a stochastic model using callback function in C++. I understand that whenever Gurobi found a MIP solution (that is ...
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Amirhossein Abbaszadehさんが投稿を作成しました:
Counting lazy constraints
回答済みHi all, I'm trying to apply Benders Decomposition to a problem using callback function in C++.I understand that whenever Gurobi found a MIP solution (that is where == GRB_CB_MIPSOL), I must get th...
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Amirhossein Abbaszadehさんが投稿を作成しました:
callback() method in c++
回答済みHi, I'm trying to use Callback in C++. I know that I must create a subclass of the Gurobi callback class and then implement a callback() method. According to the callback_c++.cpp example, it seems ...
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Amirhossein Abbaszadehさんが投稿を作成しました:
One Environment VS Multiple Environments
回答済みHello, I have a general question! Suppose that we want to solve 100 MIP models. To build these models, two options are available: Building the models using one environment Building the models us...